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6.

Disclaimers:

6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (AND THE

DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY
THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.

6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS AND

CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY
OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD
PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY
INVENTION, DISCOVERY OR IMPROVEMENT MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF
THE EVM.

7.

USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS.

USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS

LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS AND CONDITIONS. THIS OBLIGATION
SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY
OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.

8.

Limitations on Damages and Liability:

8.1

General Limitations

. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,

INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER, REGARDLESS OF WHETHER TI HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED
TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS,
LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL
BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED.

8.2

Specific Limitations.

IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION

ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM
PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER
THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE
OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND
CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT.

9.

Return Policy.

Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)

will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.

10.

Governing Law:

These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,

without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Copyright © 2015, Texas Instruments Incorporated

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Содержание DRV8846

Страница 1: ... 2 2 1 Connectors 2 2 2 Test Points 3 2 3 Jumpers 4 2 4 Motor Outputs 4 2 5 Operation of the EVM 4 2 6 Motor Control Frame Includes Start Stop Steps and Move Steps 6 2 7 Schematic and Bill of Materials BOM 9 Appendix A Driver Installation Instructions 12 List of Figures 1 Connections 3 2 DRV8846 Schematic 1 of 2 9 3 DRV8846 Schematic 2 of 2 10 1 SLLU203A June 2014 Revised March 2015 DRV8846 Evalua...

Страница 2: ...ve the stepper motor by issuing the step commands at the desired rate The microcontroller firmware operates using internal index mode This user s guide details the operation of the EVM as well as the hardware configurability of the evaluation module 2 1 Connectors The DRV8846EVM offers access to VM motor voltage power rail via a terminal block J1 A set of test clips in parallel with the terminal b...

Страница 3: ...e DRV8846 Table 1 Descriptions of the Connections Available on the J4 Header Header Label Description V3P3R 3 3 V after 33 Ω resistor nFAULT Fault output nSLEEP Sleep Mode input RSVD Adaptive DECay input DIR Direction input nENBL Stepper motor enable STEP Step input M0 Step mode M1 Step mode TOFF_SEL Off time selection VREF Scale voltage to set IFS VINT Internal supply voltage I0 Torque current le...

Страница 4: ...ection a Once the USB connection is established the Status LED will begin to blink 5 Apply 12 V to the VM and GND connections 6 Configure the current settings step and decay modes torque and pwm off time as desired as shown in the following image The current is calculated using the VREF slider the Sense resistor value the Torque setting and the Step mode setting using the formula 1 Where StepModif...

Страница 5: ...ate buttons The Start Stop Steps button is used to run the motor indefinitely The motor will accelerate to the target speed and run until the Start Stop Steps button is selected When the Start Stop Steps button is selected the red button will change to green and the Move Steps and Reciprocate buttons will be disabled The Move Steps button is used to allow movement of an exact number of steps When ...

Страница 6: ...by using an acceleration profile which will be detailed later on A detailed explanation of each stepper control section follows This frame allows the configuration and running of the stepper with the direction as specified by the DIR checkbox with the current decay mode as specified under the Decay Mode checkbox and the microstepping resolution as specified under the Step Mode drop down box 6 DRV8...

Страница 7: ...o decelerate until the stop speed PPS is reached in which case the motor fully stops A second motor actuation is provided by the Move of Steps and Reciprocate commands in which a programmed number of steps are issued and then the motor stopped The acceleration and deceleration profiles work similarly as before except when the deceleration starts and when the motor actually stops are a function of ...

Страница 8: ...due to the particular parameters being chosen stopping the motor at a speed very close to the stop speed is often good enough to ensure good motion quality and application performance The following figure shows the three conditions possible when stopping and the action taken 8 DRV8846 Evaluation Module SLLU203A June 2014 Revised March 2015 Submit Documentation Feedback Copyright 2014 2015 Texas In...

Страница 9: ...2 2µF C3 1 2 J1 ED555 2DS nSLEEP nFAULT 4 99k R3 BOUT1 BOUT2 VM AISEN VINT VREF DIR I1 I0 M0 M1 TOFF_SEL nENBL STEP ADEC 0 25 R1 0 25 R2 GND 510 R4 1 2 J2 ED555 2DS 1 2 J3 ED555 2DS MSP_M1 MSP_TOFF_SEL MSP_VREF MSP_VINT MSP_I0 MSP_I1 MSP_DEC0 MSP_DEC1 MSP_nFAULT MSP_nSLEEP MSP_ADEC MSP_DIR MSP_nENBL MSP_STEP MSP_M0 nSLEEP ADEC DIR nENBL STEP M0 M1 TOFF_SEL VREF VINT I0 I1 DEC0 DEC1 1 2 3 4 5 6 7 8...

Страница 10: ...3 P6 5 A5 4 P6 6 A6 5 P6 7 A7 SVSIN 6 VREF 7 XIN 8 XOUT 9 VEREF 10 VREF VEREF 11 P1 0 TACLK CAOUT 12 P1 1 TA0 13 P1 2 TA1 14 P1 3 TA2 15 P1 4 SMCLK 16 P1 5 TA0 17 P1 6 TA1 18 P1 7 TA2 19 P2 0 ACLK CA2 20 P2 1 TAINCLK CA3 21 P2 2 CAOUT TA0 CA4 22 P2 3 CA0 TA1 23 P2 4 CA1 TA2 24 P2 5 ROSC CA5 25 P2 6 ADC12CLK CA6 26 P2 7 TA0 CA7 27 P3 0 UCB0STE UCA0CLK 28 P3 1 UCB0SIMO UCB0SD 29 P3 2 UCB0SOMI UCB0SC...

Страница 11: ...ore Technology ED555 2DS 3 J4 Header Male 18 pin 100mil spacing STD PEC18SAAN 1 J5 Header 100mil 7x2 Tin plated TH Sullins Connector Solutions PEC07DAAN 1 J6 Connector micro USB Type B Receptacle R A SMD Hirose Electric Co Ltd ZX62 B 5PA 11 1 L1 Bead Ferrite yymA Steward MI0805K400R 10 1 R1 R2 RES 0 25 ohm 1 1W 2010 Stackpole Electronics Inc CSRN2010FKR250 2 R3 RES 4 99k ohm 1 0 063W 0402 Vishay D...

Страница 12: ...ed folder Application and move the folder DRV8846EVM_GUIv1 0 into the C ti guicomposer webapps directory Note if you chose a non default installation directory in Step 1 the C ti part will be different When completed as desired a shortcut can be created to C ti guicomposer webapps DRV8846EVM_GUIv1 0 launcher exe by clicking and dragging the file while holding the Alt key When complete the folder C...

Страница 13: ...ring the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Страница 14: ... by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Страница 15: ... connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Страница 16: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Страница 17: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Страница 18: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments DRV8846EVM ...

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